LK202-25-FW Matrix Orbital, LK202-25-FW Datasheet - Page 9

• Manufacturer Part Number: LK202-25-FW
• Description: LCD Character Display Modules Black Background White Text
• Manufacturer: Matrix Orbital
• Series: LK202-25r

Specifications of LK202-25-FW

• Character Count X Line: 20 x 2
• Module Size (w X H X T): 116 mm x 37 mm x 25.73 mm
• Fluid Type: STN
• Voltage Rating: 5 V
• Operating Temperature Range: 0 C to + 50 C
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

1.3 Features
1.4 Connecting to a PC
connect your display to a PC, you will require a standard RS-232 9-pin serial cable such as the one pictured
in
Matrix Orbital
figure 5 on page 2
1. Plug the serial cable into the com port you wish to use.
2. Connect the modified 5V power adapter to a power lead from your PC power supply (you will have to
3. Connect the serial cable to the DB-9 connector on the back of the display.
4. Connect the 5V power adapter to the 4-pin connector on the back of the display.
• 20 column by 2 line alphanumeric liquid crystal display
• Selectable communication protocol, serial at RS232 or TTL levels or I
• Six, 5V -20mA, general purpose outputs for a variety of applications
• Lightning fast communication speeds, up to 57.6 kbps for RS-232 and 100 kbps for I
• Extended temperature available for extreme environments of -20C to 70C
• Extended voltage and efficient power supply available
• Built in font with provision for up to 8 user defined characters
• Use of up to 127 modules on the same 2 wire I
• Dallas One-Wirebus that is capable of communicating with up to 32 devices
• Fully buffered so that no delays in transmission are ever necessary
• Ability to add a customized splash / startup screen
• Software controlled contrast and brightness with configurable time-out setting up to 90 minutes
• Use of up to a 25 key keypad with a 10 key buffer
• Horizontal or vertical bar graphs
• Fits Matrix Orbital’s mountings without any modifications
The LK202-25 connects seamlessly to a PC and it is an excellent means of testing the functionality. To
In order to connect your display to a personal computer follow these easy instructions:
open your computer case).
, as well as a modified 5V power adapter such as the one pictured in
Figure 10: 4X4 Keypad
LK202-25
2
C interface
2
C
figure 2 on page 2
2
C
.
5